接骨木新品种盐丹对大鼠骨折愈合的促进作用研究
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篇名: | 接骨木新品种盐丹对大鼠骨折愈合的促进作用研究 |
TITLE: | The promoting effect of a new variety of Sambucus williamsii Hance Yandan on fracture healing in rats |
摘要: | 目的 研究接骨木新品种盐丹对大鼠骨折愈合的影响。方法将SD大鼠随机分为假手术组、模型组、中华跌打丸组(0.54g/kg)、野生接骨木组(5.4g/kg,以生药量计)和盐丹高、中、低剂量组(10.8、5.4、2.7g/kg,以生药量计),每组12只。除假手术组外,其余各组大鼠制备股骨骨折模型。于术后第2天起,各组大鼠灌胃相应药物和蒸馏水,每日1次,连续8周。于给药2、4、8周后,检测大鼠血清中钙、磷、碱性磷酸酶(ALP)和骨钙素(OCN)水平,利用Micro-CT扫描评价骨折股骨形态和骨微结构参数[骨密度(BMD)、骨体积/组织体积(BV/TV)、骨小梁数量(Tb.N)、骨小梁分离度(Tb.Sp)、骨小梁厚度(Tb.Th)],采用苏木精-伊红染色观察骨组织骨折处的形态变化。结果与模型组比较,盐丹高剂量组大鼠给药2、4、8周后血清中钙水平(给药4周除外)均显著降低,磷、ALP、OCN水平均显著升高(P<0.05);骨折部位可见骨性骨痂形成、骨折断端连接、骨折线逐渐模糊或消失、骨髓腔开通等骨修复过程,骨组织骨折处可见大量肉芽组织、成纤维细胞、软骨细胞、新生骨小梁以及新生骨板等;给药8周后的BMD、BV/TV、Tb.N、Tb.Th均显著升高,Tb.Sp显著降低(P<0.05)。野生接骨木组上述大部分指标变化不明显。结论盐丹具有促进大鼠骨折愈合的作用,且作用优于野生接骨木。 |
ABSTRACT: | OBJECTIVE To investigate the effect of a new variety of Sambucus williamsii Hance Yandan on the healing in rats with fractures. METHODS SD rats were randomly allocated to sham surgery group, model group, Zhonghua dieda pill group (0.54 g/kg), wild S. williamsii group (5.4 g/kg, using raw drug dosage), and high-, medium-, and low-dose groups of Yandan (10.8, 5.4, 2.7 g/kg, using raw drug dosage), with 12 rats in each group. Except for the sham surgery group, the remaining groups were prepared with a femoral fracture model. Starting from the second day after surgery, each group was intubated with the corresponding drugs and distilled water once daily for 8 consecutive weeks. At 2, 4, and 8 weeks after administration, the levels of calcium, phosphorus, alkaline phosphatase (ALP), and osteocalcin (OCN) in rat serum were detected. Micro-CT scanning was used to evaluate the morphology and bone microstructural parameters of the fractured femur [bone mineral density (BMD), bone volume/tissue volume (BV/TV), trabecular number (Tb.N), trabecular separation (Tb.Sp), trabecular thickness (Tb.Th)], and hematoxylin-eosin staining was adopted to observe the morphological changes at the bone fracture site. RESULTS Compared with the model group, the levels of calcium in rat serum were significantly decreased (except at 4 weeks after administration), and the levels of phosphorus, ALP, and OCN were significantly increased (P<0.05) at 2, 4, and 8 weeks after administration in the high- dose group of Yandan; bone callus formation, connection of fracture ends, gradual blurring or disappearance of the fracture line, and opening of the marrow cavity were observed in the bone repair process, and a large amount of granulation tissue, fibroblasts, chondrocytes, new trabeculae, and new bone plates were visible at the fracture site of bone tissue; after 8 weeks of administration, BMD, BV/TV, Tb.N, and Tb.Th were significantly increased, and Tb.Sp was significantly decreased (P<0.05). Most of the above indicators in the wild S. williamsii Hance group showed no significant changes. CONCLUSIONS Yandan has the effect of promoting fracture healing in rats, and its effect is superior to that of wild S. williamsii. |
期刊: | 2024年第35卷第24期 |
作者: | 刘洋;郭庆梅;姚俊修;袁俊鹏;王云达 |
AUTHORS: | LIU Yang,GUO Qingmei,YAO Junxiu,YUAN Junpeng,WANG Yunda |
关键字: | 接骨木;盐丹;骨折;骨折愈合;钙磷平衡 |
KEYWORDS: | Sambucus williamsii Hance; Yandan; fracture; fracture healing; calcium-phosphorus balance |
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